25 lines
367 B
C
25 lines
367 B
C
#ifndef __FIGURE_H__
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#define __FIGURE_H__
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#include "Object.h"
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struct Figure;
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typedef struct Figure_interface
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{
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Object_interface;
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const char* (*type) (struct Figure *this);
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void (*draw) (struct Figure *this);
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double (*area) (struct Figure *this);
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} Figure_interface;
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typedef struct Figure
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{
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Figure_interface *vtable;
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} Figure;
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#endif // __FIGURE_H__
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